talkatu/talkatu

override the dependency if we're on a new enough version of meson

2021-08-03, Gary Kramlich
69369ead9170
override the dependency if we're on a new enough version of meson

Testing Done:
Ran meson to verify that there were no errors.

Reviewed at https://reviews.imfreedom.org/r/838/
Talkatu is versioned in [mercurial](https://www.mercurial-scm.org/) and is
available on [keep.imfreedom.org](https://keep.imfreedom.org/talkatu/talkatu).
All contributions are provided via review requests at [reviews.imfreedom.org](https://reviews.imfreedom.org/).